1821122560

素因数分解:

$2^{13}\times 5^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 112

約数和(自身を含む): 4412793816

約数和(自身を除く): 2591671256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 257, 320, 346, 512, 514, 640, 692, 865, 1024, 1028, 1280, 1285, 1384, 1730, 2048, 2056, 2560, 2570, 2768, 3460, 4096, 4112, 5120, 5140, 5536, 6920, 8192, 8224, 10240, 10280, 11072, 13840, 16448, 20480, 20560, 22144, 27680, 32896, 40960, 41120, 44288, 44461, 55360, 65792, 82240, 88576, 88922, 110720, 131584, 164480, 177152, 177844, 221440, 222305, 263168, 328960, 354304, 355688, 442880, 444610, 526336, 657920, 708608, 711376, 885760, 889220, 1052672, 1315840, 1417216, 1422752, 1771520, 1778440, 2105344, 2631680, 2845504, 3543040, 3556880, 5263360, 5691008, 7086080, 7113760, 10526720, 11382016, 14227520, 22764032, 28455040, 45528064, 56910080, 91056128, 113820160, 182112256, 227640320, 364224512, 455280640, 910561280, 1821122560]

約数ペア:

[(1, 1821122560), (2, 910561280), (4, 455280640), (5, 364224512), (8, 227640320), (10, 182112256), (16, 113820160), (20, 91056128), (32, 56910080), (40, 45528064), (64, 28455040), (80, 22764032), (128, 14227520), (160, 11382016), (173, 10526720), (256, 7113760), (257, 7086080), (320, 5691008), (346, 5263360), (512, 3556880), (514, 3543040), (640, 2845504), (692, 2631680), (865, 2105344), (1024, 1778440), (1028, 1771520), (1280, 1422752), (1285, 1417216), (1384, 1315840), (1730, 1052672), (2048, 889220), (2056, 885760), (2560, 711376), (2570, 708608), (2768, 657920), (3460, 526336), (4096, 444610), (4112, 442880), (5120, 355688), (5140, 354304), (5536, 328960), (6920, 263168), (8192, 222305), (8224, 221440), (10240, 177844), (10280, 177152), (11072, 164480), (13840, 131584), (16448, 110720), (20480, 88922), (20560, 88576), (22144, 82240), (27680, 65792), (32896, 55360), (40960, 44461), (41120, 44288)]